<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{notempty name="$title"}{$title}{/notempty}</title>
    <meta name="keywords" content='{notempty name="$keywords"}{$keywords}{/notempty}'>

<!--    {css href="__CSS__/test.css"}-->
    {load href="__CSS__/test.css"}
</head>
<body>

头部
<hr>